Rybka Controversy
On June 28, 2011, David Levy and the International Computer Games Association (ICGA) concluded their investigation and determined that Vasik Rajlich in programming Rybka had plagiarized two other chess software programs: Crafty and Fruit. According to Levy and the ICGA, Vasik Rajlich failed to comply with the ICGA rule that each computer chess program must be the original work of the entering developer and that those "whose code is derived from or including game-playing code written by others must name all other authors, or the source of such code, in their submission details".
In response to the suspension, Vasik Rajlich was interviewed by Rybka fan Nelson Hernandez, in which he responded to the ICGA's allegations in a statement and answered questions about the controversy and his opinions on it.
In January 2012, ChessBase.com published an article by Dr. Søren Riis. Riis, a computer science professor at the Queen Mary University of London, was critical of Levy's and the ICGA's decision, the investigation, the methods on which the investigation was based, and the panel members themselves. ICGA President David Levy and University of Sydney research fellow in mathematics Mark Watkins responded to Riis' publication with their own statements defending the ICGA panel and findings, respectively.
In February 2012, ChessBase published a two-part interview with Levy in which he answered many questions about the ICGA's decision to ban Rybka.
Read more about this topic: David Levy (chess Player)
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